TABLE 7.
Effect of inorganic or organic trace minerals on egg quality parameters of broiler breeders.
| Trace mineral source | Weight (g) | Yolk coloration | Resistance (kgf) | Eggshell thickness (mm) |
|---|---|---|---|---|
| Week 28 | ||||
| ITM | 57.178 | 8.617 | 4.103 | 0.393 a |
| MMHAC | 57.944 | 8.523 | 3.974 | 0.383 b |
| TMAAC | 58.152 | 8.52 | 4.093 | 0.379 b |
| SEM | 0.455 | 0.080 | 0.080 | 0.003 |
| p value | 0.2916 | 0.6191 | 0.4498 | 0.0196 |
| Week 40 | ||||
| ITM | 66.708 | 6.550 b | 4.058 | 0.398 |
| MMHAC | 67.404 | 6.922 a | 3.85 | 0.398 |
| TMAAC | 67.484 | 6.598 b | 3.784 | 0.39 |
| SEM | 0.528 | 0.080 | 0.102 | 0.004 |
| p value | 0.5225 | 0.0036 | 0.1535 | 0.3271 |
| Week 50 | ||||
| ITM | 68.028 | 5.905 b | 3.767 | 0.369 |
| MMHAC | 69.058 | 6.182 a | 3.764 | 0.375 |
| TMAAC | 70.178 | 6.000 b | 3.520 | 0.377 |
| SEM | 0.819 | 0.061 | 0.089 | 0.005 |
| p value | 0.1835 | 0.0082 | 0.0913 | 0.5045 |
| Week 58 | ||||
| ITM | 70.707 | 6.595 b | 3.594 a | 0.398 a |
| MMHAC | 72.372 | 7.161 a | 3.593 a | 0.394 a |
| TMAAC | 73.005 | 6.479 b | 3.030 b | 0.372 b |
| SEM | 0.915 | 0.074 | 0.123 | 0.005 |
| p value | 0.2044 | < 0.0001 | 0.0027 | 0.0020 |
| Week 65 | ||||
| ITM | 72.146 | 7.991 b | 3.293 | 0.379 |
| MMHAC | 73.604 | 8.331 a | 3.512 | 0.374 |
| TMAAC | 73.155 | 7.548 c | 3.408 | 0.375 |
| SEM | 0.738 | 0.088 | 0.120 | 0.005 |
| p value | 0.3674 | < 0.0001 | 0.4357 | 0.7839 |
abc
Means within a column without a common superscript differ (p ≤ 0.05).
ITM—inorganic trace minerals: 100, 16, and 100 ppm of Zn, Cu, and Mn respectively, as sulfates; MMHAC-mineral methionine hydroxy analog chelate: 50, 8, 50 ppm of bis-chelated MINTREX®Zn, Cu, and Mn (Novus International, Inc.), and TMAAC—trace minerals amino acid complex: 50, 8, and 50 ppm of Zn, Cu, and Mn.